The IcedTea project provides a harness to build the source code from OpenJDK using Free Software build tools, along with additional features such as a PulseAudio sound driver and support for alternative virtual machines.

A new set of security releases are now available for the OpenJDK 6 series: 1.11.9 & 1.12.4. We recommend that users upgrade to the latest release from the
appropriate branch as soon as possible. The releases contain the following security fixes: